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aarch64: Optimize __libc_mtag_tag_zero_region nsz/mtag
authorSzabolcs Nagy <szabolcs.nagy@arm.com>
Tue, 9 Feb 2021 17:59:11 +0000 (17:59 +0000)
committerSzabolcs Nagy <szabolcs.nagy@arm.com>
Fri, 19 Mar 2021 11:46:21 +0000 (11:46 +0000)
commit601c47c4765e4b8cf921a719cf1d38da3eb97aa2
treecdb47d8855d7751d0ef5ed80d95f3f9781893e4dtree
parent138ff9a5d15a9dd6fcf7238074f94632d2a05acbcommit | diff
aarch64: Optimize __libc_mtag_tag_zero_region

This is a target hook for memory tagging, the original was a naive
implementation. Uses the same algorithm as __libc_mtag_tag_region,
but with instructions that also zero the memory.  This was not
benchmarked on real cpu, but expected to be faster than the naive
implementation.
sysdeps/aarch64/__mtag_tag_zero_region.S diff | blob | blame | history
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